Reorganize imports and exports

src/phonenumberutil/mod.rs

@@ -26,6 +26,7 @@ use std::sync::LazyLock;
 pub use enums::{MatchType, PhoneNumberFormat, PhoneNumberType, NumberLengthType};
 use crate::phonenumberutil::phonenumberutil::PhoneNumberUtil;
 
+/// Singleton instance of phone number util for general use
 pub static PHONE_NUMBER_UTIL: LazyLock<PhoneNumberUtil> = LazyLock::new(|| {
     PhoneNumberUtil::new()
 });